2-[4-(1H-benzimidazol-2-yl)phenyl]-4-methyl-3-phenyl-2,4-dihydropyrazolo[4,3-c][1,2]benzothiazine 5,5-dioxide

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Chemical Name:2-[4-(1H-benzimidazol-2-yl)phenyl]-4-methyl-3-phenyl-2,4-dihydropyrazolo[4,3-c][1,2]benzothiazine 5,5-dioxide
CAS No.:1608470-21-8
Molecular Formula:C₂₉H₂₁N₅O₂S
Molecular Weight:503.584
Hs Code.:

Synonyms:2-[4-(1H-benzimidazol-2-yl)phenyl]-4-methyl-3-phenyl-2,4-dihydropyrazolo[4,3-c][1,2]benzothiazine 5,5-dioxide

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Chemical Property of 2-[4-(1H-benzimidazol-2-yl)phenyl]-4-methyl-3-phenyl-2,4-dihydropyrazolo[4,3-c][1,2]benzothiazine 5,5-dioxide

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Technology Process of 2-[4-(1H-benzimidazol-2-yl)phenyl]-4-methyl-3-phenyl-2,4-dihydropyrazolo[4,3-c][1,2]benzothiazine 5,5-dioxide

There total 3 articles about 2-[4-(1H-benzimidazol-2-yl)phenyl]-4-methyl-3-phenyl-2,4-dihydropyrazolo[4,3-c][1,2]benzothiazine 5,5-dioxide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 85.0%

: 1608470-09-2
4-(4-methyl-5,5-dioxido-3-aphenylbenzo[e]pyrazolo[4,3-c][1,2]thiazin-2(4H)-yl)benzaldehyde

: 95-54-5
1,2-diamino-benzene

: 1608470-21-8
2-[4-(1H-benzimidazol-2-yl)phenyl]-4-methyl-3-phenyl-2,4-dihydropyrazolo[4,3-c][1,2]benzothiazine 5,5-dioxide

Guidance literature:: 4-(4-methyl-5,5-dioxido-3-aphenylbenzo[e]pyrazolo[4,3-c][1,2]thiazin-2(4H)-yl)benzaldehyde; With sodium metabisulfite; In N,N-dimethyl-formamide; at 20 ℃;

1,2-diamino-benzene; In N,N-dimethyl-formamide;
DOI:10.1016/j.ejmech.2014.03.035

Reference yield:

: 1421740-44-4,17833-87-3
4-methyl-3-phenyl-2,4-dihydrobenzo[e]pyrazolo[4,3-c][1,2]thiazine 5,5-dioxide

: 1608470-21-8
2-[4-(1H-benzimidazol-2-yl)phenyl]-4-methyl-3-phenyl-2,4-dihydropyrazolo[4,3-c][1,2]benzothiazine 5,5-dioxide

Guidance literature:: Multi-step reaction with 2 steps

1: potassium carbonate; (1-hexadecyl)triphenylphosphonium bromide / N,N-dimethyl-formamide / 0.67 h / Reflux; Inert atmosphere

2: sodium metabisulfite / N,N-dimethyl-formamide / 20 °C

With sodium metabisulfite; (1-hexadecyl)triphenylphosphonium bromide; potassium carbonate; In N,N-dimethyl-formamide;
DOI:10.1016/j.ejmech.2014.03.035

Reference yield:

: 106345-99-7
(4-hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ⁶-benzo[e][1,2]thiazin-3-yl)-phenyl-methanone

: 1608470-21-8
2-[4-(1H-benzimidazol-2-yl)phenyl]-4-methyl-3-phenyl-2,4-dihydropyrazolo[4,3-c][1,2]benzothiazine 5,5-dioxide

Guidance literature:: Multi-step reaction with 3 steps

1: hydrazine hydrate / ethanol

2: potassium carbonate; (1-hexadecyl)triphenylphosphonium bromide / N,N-dimethyl-formamide / 0.67 h / Reflux; Inert atmosphere

3: sodium metabisulfite / N,N-dimethyl-formamide / 20 °C

With sodium metabisulfite; (1-hexadecyl)triphenylphosphonium bromide; potassium carbonate; hydrazine hydrate; In ethanol; N,N-dimethyl-formamide;
DOI:10.1016/j.ejmech.2014.03.035